... ,KSF3504,JISA6901 3,regular grade,water proof,fire proof 4,A grade,ISO Fireproof Gypsum BoardThickness: 9, 9.5, 12, 12 ... /2400/2700/3000Species: regular grade,water proof, fire proofStandard: KS F3504, JIS A 6901Technical ParameterTesting ItemRequired Data by StandardTypical Data9.5 mm12 ...